Is the measure of change in an option given a change in the volatility. Theoretically, it measures the instantaneous change in premium to the instantaneous change in volatility. In practice, it tends to be viewed as the change in premium given a 1 percent in volatility. Found on http://www.oasismanagement.com/glossary/

A measure of the sensitivity of an option or warrant price to changes in the volatility of the... <a target=_blank href='http://www.finance-glossary.com/terms/vega.htm?id=2154&ginPtrCode=00000&PopupMode=false' title='Read full definition of vega'>more</a>
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Ve'ga (vē'gȧ) noun (Astron.) [ Arabic wāgi' , properly, falling: confer French Wéga .] A brilliant star of the first magnitude, the brightest of those constituting the constellation Lyra. Found on http://www.encyclo.co.uk/webster/V/10

Ve'ga noun [ Spanish ] An open tract of ground; a plain, esp. one which is moist and fertile, as those used for tobacco fields. [ Spanish Amer. & Phil. Islands] Found on http://www.encyclo.co.uk/webster/V/10

As used with respect to options: 'The vega of a portfolio of derivatives is the rate of change fo the value of the portfolio with respect to the volatility of the underlying asset.' -- Hull (1997) p 328. Formally this is a partial derivative. A portfolio is vega-neutral if it has a vega of zero. Source: Hull, 1997, p 328 Contexts: financeFound on http://www.econterms.com/glossary.cgi?query=vega

• (n.) An open tract of ground; a plain, esp. one which is moist and fertile, as those used for tobacco fields. • (n.) A brilliant star of the first magnitude, the brightest of those constituting the constellation Lyra.Found on http://thinkexist.com/dictionary/meaning/vega/

(from the article `airplane`) ...Ryan monoplane, which made the first solo flight across the Atlantic in 1927 (see photograph). By 1929 the United States was building 5,500 ... ...fuel tanks for the Douglas Aircraft Company in Santa Monica, and then he joined Allan Lockheed as chief engineer for the Lockheed Aircraft ... ...a low win...Found on http://www.britannica.com/eb/a-z/v/11

(from the article `Halley`s Comet`) ...1985, reached perihelion on Feb. 9, 1986, and came closest to Earth on April 11, 1986. Its passage was observed by two Japanese spacecraft ... ...equipped with the first high-resolution imaging radar systems flown to another planet; they mapped about a quarter of Venus`s surface, primarily ... [...Found on http://www.britannica.com/eb/a-z/v/11

brightest star in the northern constellation Lyra and fifth brightest in the night sky, with a visual magnitude of 0.03. It is also one of the Sun`s ... [3 related articles]Found on http://www.britannica.com/eb/a-z/v/11

Vega is a Arabic girl name. The meaning of the name is `falling star ` The name Vega doesn`t appear In the US top 1000 most common names over de last 128 years. The name Vega seems to be unique!Found on http://www.pregnology.com/index.php?girls/Vega

HMS Vega was a British Escort Type destroyer of 900 tons displacement launched in 1917. After being rearmed for escort duties in 1938-1939 she was armed with four 4-inch guns and two multiple-machine-guns. She was powered by two Thornycroft oil boilers providing a top speed of 28 knots.Found on http://www.probertencyclopaedia.com/browse/RV.HTM

[Aller] Vega is one of 18 parishes (administrative divisions) in Aller, a municipality within the province and autonomous community of Asturias, in northern Spain. The altitude is {convert|475|m|ft|abbr=on} above sea level. It is {convert|6.8|km2|sqmi|abbr=on} in size with a population of 191 (INE 2011). ==Villages== ...Found on http://en.wikipedia.org/wiki/Vega_(Aller)

The vega of an option indicates the change of the option price in the event of a small movement in the volatility of the underlying. In mathematical terms, the vega is the first partial derivative of the option price function with respect to volatility. For computing the vega risk of an option we have to calculate the so-called vega effect, which r...Found on http://www.oenb.at/dictionary/termini.jsp?EINTRAG_ID=15341

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